INFORMATION PROCESSING PROGRAM, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSOR

PROBLEM TO BE SOLVED: To automatically classify a plurality of images without definition information for specifying an object included in an image.SOLUTION: An information processing program causes a computer to refer storage means that stores image data, object identification information for specifying an object included in the image data, and position information for specifying the position of the object in the image data, while associating with each other, and acquire identical object identification information included in a plurality of pieces of image data; refer to the storage means and, for each of the plurality of pieces of image data, acquire position information of the object to be specified by the acquired object identification information; find a difference between the acquired position information items; compares the difference between the position information items with a predetermined position threshold, and determines whether or not the plurality of pieces of image data falls under a same classification on the basis of the comparison result between the difference between position information items and the predetermined position threshold.